Hours of work in the United States, 1900-1957
By: by Ethel Bengree Jones.
Published: 1962
Language: eng
Format: Microform
Number of pages: 177
Notes: Microfilm. Chicago, Ill. : University of Chicago Library, Dept. of Photoduplication, 1962. 1 microfilm reel ; 35 mm.
Thesis (Ph. D.)--University of Chicago, 1961.